Engineering & Architecture Jobs

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Fixed-Price - Expert ($$$) - Est. Budget: $1,000 - Posted
Looking for an industrial designer and engineer (if necessary) to produce a spec sheet to take to a manufacturer. Enclosed are some examples of fiberglass float tanks currently on the market. Important points to consider for a great design: - Interior must be well ventilated with a large gap or quietest possible fan - Interior dimensions should be at a minimum 84" length x 48" width and should be a rounded-rectangular design - Interior roof of the enclosure will need thermal insulation or heat to prevent condensation - The tank should be 2-3 pieces with lifts for the top/door and easy-to-clean seams to prevent mold growth - Thermal and sound insulation between the fiberglass walls is optimal - Interior electronic components include: multi-color LEDs, stereo transducer speakers, and an intercom system - Exterior USB connector on the side or front for smartphone (for music) - A compartment on the side or rear of the tank for water quality probes - Plumbing connections for filtration (kept in a separate housing)
Skills: Industrial design
Hourly - Entry Level ($) - Est. Time: 3 to 6 months, 30+ hrs/week - Posted
 Project monitor  Topographer / surveyor
Fixed-Price - Entry Level ($) - Est. Budget: $75 - Posted
I'm looking for an engineer to develop a set of piecewise equations for computing the stress field around a shaped hole in an infinite plate. The hole shall take the form of compound ellipses, which intersect at a points of equal slope (see attachment). The analyst will assume that the stress field of each of the compound ellipses will behave independently from one another. Verification of equal stress state at the intersection of the ellipses is required. The assumption will be further validated with finite element modeling in future work. The stress field around the perimeter of the ellipse will be a function of theta and will include the following parameters: R = Ratio of A-to-B (0<R<inf) M = slope at intersection, squareness (-inf<M<0) The stress field around an elliptical feature can be found from a reference such as Peterson's Stress Concentration Factors, or other locations on the internet (e.g. http://www2.mae.ufl.edu/haftka/adv-elast/lectures/Sections14.1-2.pdf). The developed equations will be used to optimize the length-to-width ratio and squareness of such a hole in a known biaxial stress field, using stress superposition in a fatigue-critical application. Applicants should provide proposal with: 1. Estimated cost 2. Estimated number of hours to perform work 3. Soonest possible start date and associated finishing date >>>DELIVERABLE<<< The deliverable will be a PDF document with the derivation of a piecewise equation for the stress field around the perimeter of a shaped hole, as described in the attachment.
Skills: Calculus Geometry Mechanical Engineering Physics Structural Analysis
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We are at the tail end of building the first Bluetooth controlled exercise weight machine. We are seeing some interference issues and stability issues. I'm looking for an RF engineer that has experience in the various methods of RF Signal transmission. If you have worked with RC controllers, Bluetooth, or Wifi on embedded systems, I'd like to get your help. It is our goal to build a reliable and fail safe system. Signal integrity and critical mission protocol would be ideal. Please let me know if you are interested. Check us out on www.flexlinefitness.com Long term opportunity is also available. -Brandon Chief Product Officer
Skills: Circuit Design PCB Design Serial Port Interfacing
Fixed-Price - Intermediate ($$) - Est. Budget: $35 - Posted
Looking for someone who wants to make $35.00 and render a picture for me. It is of an outdoor area of a building that I would like to have a modern style. Some stylish tables, a grass area, lights, etc. City view in background. Deadline is tonight however-would appreciate the help :)
Skills: Architectural Rendering
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Need an experienced engineer to design a reliable circuit board to control a high-power LED using a custom lithium-ion 18650 battery pack. To be a commercial product. Will require features such as LED dimming, battery level indicator, and A/C adaptor. I also need some consulting to help work out battery specifications to have manufactured.
Skills: Circuit Design Electrical engineering Electronics
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
Looking for an experienced Industrial Designer that can help me design my LED bracelet and point me in the direction of a relevant manufacturer upon completion of the product design/blue prints etc. I have never designed, manufactured, or brought a product to market before, so I would like to work with someone with knowledge of those things. I am fluent in Spanish and English.
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
I am looking or an architectural designer or an architect with a creative eye. I would like someone to work with regularly and you should have good skills in photoshop, autocad, and 3D programs.
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
I will pay $50 USD for bids from: 5 more localized machine shops, 5 more localized electrical motor rewind companies, 5 off the shelf & custom motor controller companies, Ads locally for preorders on the Ron Brandt Perm Mag Motor Ads for funding &/or loans on presales for the Ron Brandt Perm Mag Motor Once you have those responses as project manager, you can go from there to have your own open source Ron Brandt Franchise with 0 fees to anyone including me. The energy market is about 7T a year. And going through the numbers of wind being $2/watt peak or $10/watt continuous, Ron Brandt's motor 500hp 350,000 watt motor is 100x more cost effective than wind or solar. Solar cells are being sold for as low as $.50/peak watt but they can degrade as much as one volt in one year when they are that cheap.